mourners including president obama and former presidents bush and clinton head to south africa next week for services honoring that country's first black president. this weekend south africans are celebrating his life with songs and marches. mourners say mandel's leadership transform their country, including his 27 years in jail, protesting against apartheid. >> growing up, we weren't allowed -- it's just always been to me that rebellious person who fought for us. >> tomorrow is the national day of prayer in south africa. on tuesday, president obama will attend the official public memorial service in johannesburg. mandela will be buried on december 15th in the village of qunu where he grew up. >>> the remaining pilot whales that stranded on the coast of florida may have rescued themselves. on tuesday 51 whales were spotted either beach order in shallow water near the florida everglades. several whales died on the beach and others were euthanized, but most of the whales apparently swam up, making it to deeper water and safety. biologists say they don't know what caused the whales to come